Why do methylated spirits evaporate faster than water? Explain why one would recrystallize a solid from a solvent pair instead of a single solvent. Explain how it works in terms of solubilities. What were you observing when your ethanol - water solution b ...
Describe the observations that one would make during the simple distillation of an "impure" substance. Why does water have a higher boiling point compared to ethanol? What is the major obstacle that fractional distillation overcomes? Why do methylated spirits evaporate faster than water?
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Why do methylated spirits evaporate faster than water? What is crack nucleation? What are carbonated beverages? Describe their properties. Would you predict that alcohol will dissolve in vinegar? Why? Which element is obtained primarily from the distillation of liquid air? N, He, P, Sb, Ar ...
Why do methylated spirits evaporate faster than water? Why kind of molecule is water and what are its characteristics? Describe why ice floats on water. Why does I_2 have a higher boiling point than F_2? Explain briefly why CuSO4 dissolves more easily in water than an organic solvent. ...
Why do methylated spirits evaporate faster than water? Explain chemically what happens when soap is added to hard water. Describe the mechanism of the polymerization of styrene. What is it called when an acid is reacted with an alcohol? What is crack nucleation? Is a substance fizzing a compo...
What are the basic properties that a medium must possess to have the propagation of a mechanical wave? What happens if you put electricity to a glass? Give four examples of no silicate materials. What are the strength of intermolecular forces of methylated spirits acetone, water, and...
Why do methylated spirits evaporate faster than water? Is distilling whisky a physical or chemical change? Explain. Why would a fractionating column be more efficient than a simple column at separating compounds that have boiling points that are less than 50 degrees ...
Define a Newtonian fluid and a non-Newtonian fluid and explain why shaking a ketchup bottle helps it to flow and how Which is stronger: an H bond between pure alcohol and water or a solution of water and alcohol? What are the strength of intermolecular forces of methylated spirits acetone...
Indicate whether the starting substance is getting oxidized or reduced (assume that another, unnamed substance accounts for the oxidizing or reducing agent). Emits are vomit inducing substances which are added to: A. gasoline. B. propane. C. methylated spirits...